Home / 850,363.20-1,275,682.32-251,384.40

Finding the Fourth Proportional to 850,363.20, 1,275,682.32 and 251,384.40

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Solution

The fourth proportional to 850,363.20, 1,275,682.32 and 251,384.40 is: 377,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,363.20 : 1,275,682.32 = 251,384.40 : x
  2. Step 2: Convert to fraction form
    850,363.20/1,275,682.32 = 251,384.40/x
  3. Step 3: Cross multiply
    850,363.20x = 1,275,682.32 × 251,384.40
  4. Step 4: Simplify right side
    850,363.20x = 320,686,634,603.81
  5. Step 5: Solve for x
    x = 320,686,634,603.81/850,363.20
  6. Step 6: Final answer
    x = 377,117.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.